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pthreads.7: Added description of async-cancel-safe functions 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2010-11-14 06:55:39 +01:00
parent 0ff2cc8848
commit 07451ab1b9
1 changed files with 16 additions and 1 deletions
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17
man7/pthreads.7
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@ -21,7 +21,7 @@
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.TH PTHREADS 7 2008-11-18 "Linux" "Linux Programmer's Manual"
.TH PTHREADS 7 2010-11-14 "Linux" "Linux Programmer's Manual"
.SH NAME
pthreads \- POSIX threads
.SH DESCRIPTION
@ -231,6 +231,21 @@ wcstombs()
wctomb()
.fi
.in
.SS Async-cancel-safe functions
An async-cancel-safe function is one that can be safely called
in an application where asynchronous cancelability is enabled (see
.BR pthread_setcancelstate (3)).
Only the following functions are required to be async-cancel-safe by
POSIX.1-2001 and POSIX.1-2008:
.in +4n
.nf
pthread_cancel()
pthread_setcancelstate()
pthread_setcanceltype()
.fi
.in
.SS Cancellation Points
POSIX.1 specifies that certain functions must,
and certain other functions may, be cancellation points.